Your primary sleep style is the biggest factor in determining the required firmness level.
Require firmer support and durable materials (like thick coils) to prevent excessive sinkage. Look for mattresses with a profile of 12+ inches for better long-term durability. Step 3: Choose the Right Material Each material offers a distinct feel and specific benefits. Mattress Type best mattress buying guide
Require a balance of comfort and support to maintain the natural inward curve of the lower back (lumbar region) without letting the hips sink too deeply. Your primary sleep style is the biggest factor